1. Latest start of activity is always
a ) less than or equal to latest event time of preceeding node
b ) more than or equal to latest events time of preceeding node
c ) equal to latest event time of preceeding node
d ) none of the above
2. Latest start time is the
a ) latest time by which an activity can be started without delaying the project
b ) latest time by which an activity can be completed without delaying the project
c ) latest time the event can occur
d ) any of the above
3. The difference between the total float and the free float is termed as
a ) start float
b ) finish float
c ) interfering float
d ) independent float
4. Critical path is
a ) shortest path for the earliest completion of the project
b ) longest path of the network from the first event to the last event
c ) ideal path by preceeding along which the project can be completed as per the schedule
d ) the path which takes into account the completion of all the parallel activities
5. The minimum number of critical path in a net work should be
a ) 0
b ) 1
c ) 2
d ) 3
6. Critical path network helps the engineer to
a ) concentrate his attention on critical activitirs
b ) divert the different resourced from non – critical activities to critical activities
c ) be cautious for avoiding any delay in the critical activities
d ) all of the above
7. According to Fulkerson’s , the correct event numbers corresponding to event A , B , C , D , E of the network shown in figure
a ) 1 , 2 , 3 , 4 , 5 , 6 and 7 respectively
b ) 1 , 3 , 2 , 4 , 5 , 6 and 7 respectively
c ) 1 , 2 , 3 , 5 , 6 , 4 and 7 respectively
d ) none of the above
8. A fictious activity with zero duration and no cost used to maintain the sequential order of the activities in network is known as a
a ) restraint
b ) dummy activity
c ) event
d ) all of the above
9. Earliest finish time of an activity is always
a ) equal to or more than earliest event
b ) equal to or less than earlies t event time of the following node
c ) more than earliest time of the following node
d ) none of the above
10. In CPM , ” Forward Pass ” and ” Backward Pass ” are used to calculate…….respectively .
a ) earliest expected time and latest allowable time
b ) latest allowable time and earliest expected time
c ) to check float and slack
d ) all of the above
11. Float is
a ) the earliest time by which an activity may commence
b ) latest time by which an activity can be delayed without hampering the completion of the project
c ) latest allowable time – earliest expected time
d ) time available – time required for an activity
12. Positive float can occur when it is
a ) sub – critical activity
b ) critical activity
c ) super – critical activity
d ) normal activity
13. Negative float can occur when it is
a ) sub – critical activity
b ) critical activity
c ) super – critical activity
d ) normal activity
14. Which of the following in a CPM network activity ?
a ) concrete cured
b ) walls plastered
c ) excavation for foundation
d ) all of the above
15. The square root of the variance is known as
a ) deviation
b ) standard deviation
c ) mode
d ) none of the above
16. The variance will be zero if
a ) each individual deviation is zero
b ) sum of deviation is zero
c ) standard deviation is zero
d ) none of the above
17. Positive slack indicates
a ) ahead of schedule condition
b ) behind the schedule condition
c ) on schedule condition
d ) none of the above
18. Negative slack indicates
a ) ahead of schedule condition
b ) behind the schedule condition
c ) on schedule condition
d ) none of the above
19. Variance is
a ) Sum of time duration for various job number of jobs/numbers of job
b ) difference between the time under consideration and mean time
c ) mean of squared deviations
d ) square root of mean of squared deviation
20. Total float for any activity is defined as the difference between
a ) its latest finish time and earliest start time for its successor activity
b ) its latest start time and earliest start time
c ) its latest start time and earliest finish time
d ) its earliest finish time and earliest start time for its successor activity
21. Free float for any activity is defined as the difference between
a ) its latest start time and earliest start time for its successor activity
b ) its latest start time and earliest start time
c ) its latest finish time and earliest start time for its successor activity
d ) its earliest finish time and earliest start time for its successor activity
22. The time by which a particular activity may be delayed without affecting the preceeding and succeeding activities is known as
a ) total float
b ) free float
c ) interfering float
d ) independent float
23. The estimated time required to complete an activity is termed as
a ) event
b ) duration
c ) active time
d ) float
24. Free float is mainly used to
a ) identify the activities which can be delayed without affecting the total float of preceeding activity
b ) identify the activities , which can be delayed without affecting the total float of succeeding activity
c ) establish priorities
d ) identify the activities which can be delayed without affecting the total float of either the preceeding or succeeding activities
25. Whenever activity has zero total float , then
a ) free float of the activity must be zero but independent float need not be zero
b ) independent float must be zero but free float need not be zero
c ) free float and independent float both must be zero
d ) free float and independent float both need not be zero
